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Finding the Fourth Proportional to 115,999.38, 160,092.44 and 65,025.88

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Solution

The fourth proportional to 115,999.38, 160,092.44 and 65,025.88 is: 89,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.38 : 160,092.44 = 65,025.88 : x
  2. Step 2: Convert to fraction form
    115,999.38/160,092.44 = 65,025.88/x
  3. Step 3: Cross multiply
    115,999.38x = 160,092.44 × 65,025.88
  4. Step 4: Simplify right side
    115,999.38x = 10,410,151,792.35
  5. Step 5: Solve for x
    x = 10,410,151,792.35/115,999.38
  6. Step 6: Final answer
    x = 89,743.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.